/*
 * Copyright (c) 2016-2088, fastquery.org and/or its affiliates. All rights reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For more information, please see http://www.fastquery.org/.
 *
 */

package org.fastquery.analysis;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.fastquery.where.Judge;
import org.fastquery.where.Set;

/**
 * Set注解校验
 *
 * @author mei.sir@aliyun.cn
 */
class SetFilter implements MethodFilter
{

    @Override
    public void doFilter(Method method)
    {

        // 1). @Set#ignore() 指定的class 必须有一个不带参数且public的构造方法
        // 2). if$ 和 ignoreScript 不能共存
        Set[] sets = method.getAnnotationsByType(Set.class);
        for (Set set : sets)
        {
            Class<? extends Judge> judge = set.ignore();
            try
            {
                judge.getDeclaredConstructor().newInstance();
            }
            catch (InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException e)
            {
                this.abortWith(method, set.ignore() + " 必须有一个不带参数并且用public修饰的构造方法");
            }

            // > 2)
            if (!"true".equals(set.if$()) && !"false".equals(set.ignoreScript()))
            {
                this.abortWith(method, "@set中的if$属性和ignoreScript属性不能同时被自定义");
            }

        }

    }

}
